Corded Landline Telephone Caller ID Amplified HD Hands Free Call Adjustable Brightness Big Button Phone for Seniors Item Type: Corded Landline Telephone Material: ABS Color: White Main Functional Features: 1. DTMF FSK Dual Standard Caller ID (Automatic Identification) 2. Call Number and Call Time Record 50 Groups (8 Digits) or 32 Groups (16 Digits) 3.14 Groups (8 Digits) or 8 Groups (16 Digits) of Outgoing Numbers and Call Time Records 4. Real Time Date and Week Display, LCD Brightness Level 5 Adjustable 5. Software Setting Electronic Anti Theft; Optional Soft Setting P/T, No Switch Required 6. Flash Time 90 95 100 120 180 300 600 1000ms Software Optional 7. When Forgetting to Take Up the Line or Hanging Up is Not Good, Automatically Take Up the Line (the Line Has No Clutter Interference) 8. Intelligent Line Grabbing out Code 8 Bit Setting 9. Local Code 8 Bit Setting, Incoming Call Automatic Filtering 10. R Key Function, Can Cooperate with the Switch to Do the Transfer Function 11. This Machine Has a Large Ringtone Function. 12.10 Group Double Bond Memory